Signal I/O module



FIG. 1 is a front perspective view of a signal I/O module showing ournew design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view thereof in use.

The broken lines shown are included for the purpose of illustrating theunclaimed portions of the signal I/O module and form no part of theclaimed design.

CLAIM The ornamental design for a signal I/O module, as shown anddescribed.